40180016 has 20 divisors (see below), whose sum is σ = 78566400. Its totient is φ = 19904832.

The previous prime is 40179983. The next prime is 40180031. The reversal of 40180016 is 61008104.

It is a super-2 number, since 2×40180016² = 3228867371520512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40180016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9776 + ... + 13263.

It is an arithmetic number, because the mean of its divisors is an integer number (3928320).

Almost surely, 2^40180016 is an apocalyptic number.

It is an amenable number.

40180016 is a deficient number, since it is larger than the sum of its proper divisors (38386384).

40180016 is a wasteful number, since it uses less digits than its factorization.

40180016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23156 (or 23150 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 40180016 is about 6338.7708587706. The cubic root of 40180016 is about 342.5074600112.

The spelling of 40180016 in words is "forty million, one hundred eighty thousand, sixteen".